89889520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1047

約数の個数: 120

約数和(自身を含む): 253939104

約数和(自身を除く): 164049584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 997, 1127, 1288, 1610, 1840, 1960, 1994, 2254, 2576, 3220, 3920, 3988, 4508, 4985, 5635, 6440, 6979, 7976, 9016, 9970, 11270, 12880, 13958, 15952, 18032, 19940, 22540, 22931, 27916, 34895, 39880, 45080, 45862, 48853, 55832, 69790, 79760, 90160, 91724, 97706, 111664, 114655, 139580, 160517, 183448, 195412, 229310, 244265, 279160, 321034, 366896, 390824, 458620, 488530, 558320, 642068, 781648, 802585, 917240, 977060, 1123619, 1284136, 1605170, 1834480, 1954120, 2247238, 2568272, 3210340, 3908240, 4494476, 5618095, 6420680, 8988952, 11236190, 12841360, 17977904, 22472380, 44944760, 89889520]

約数ペア:

[(1, 89889520), (2, 44944760), (4, 22472380), (5, 17977904), (7, 12841360), (8, 11236190), (10, 8988952), (14, 6420680), (16, 5618095), (20, 4494476), (23, 3908240), (28, 3210340), (35, 2568272), (40, 2247238), (46, 1954120), (49, 1834480), (56, 1605170), (70, 1284136), (80, 1123619), (92, 977060), (98, 917240), (112, 802585), (115, 781648), (140, 642068), (161, 558320), (184, 488530), (196, 458620), (230, 390824), (245, 366896), (280, 321034), (322, 279160), (368, 244265), (392, 229310), (460, 195412), (490, 183448), (560, 160517), (644, 139580), (784, 114655), (805, 111664), (920, 97706), (980, 91724), (997, 90160), (1127, 79760), (1288, 69790), (1610, 55832), (1840, 48853), (1960, 45862), (1994, 45080), (2254, 39880), (2576, 34895), (3220, 27916), (3920, 22931), (3988, 22540), (4508, 19940), (4985, 18032), (5635, 15952), (6440, 13958), (6979, 12880), (7976, 11270), (9016, 9970)]